Unilateral Biportal Endoscopic Resection of the Posterior Arch of the Atlas for Crowned Dens Syndrome

Xuanhui Wang; Zhenyu Wang; Xinye Li; Peilin Liu; Yanli Du; Ziqiang Zhou; Haixiong Miao

doi:10.12659/AJCR.953125

31 July 2026 : Case report China

Unilateral Biportal Endoscopic Resection of the Posterior Arch of the Atlas for Crowned Dens Syndrome

Rare disease

Xuanhui Wang

^{B 1}, Zhenyu Wang^{E 2}, Xinye Li^{C 1}, Peilin Liu^{C 1}, Yanli Du^{D 2}, Ziqiang Zhou^{A 2}, Haixiong Miao^{A 1,2*}

DOI: 10.12659/AJCR.953125

Am J Case Rep 2026; 27:e953125

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Figure 4 (A) Intraoperative endoscopic image showing drilling of the left posterior arch of the atlas. Red arrow: left posterior arch of the atlas. (B) Intraoperative endoscopic image demonstrating successful decompression.

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Unilateral Biportal Endoscopic Resection of the Posterior Arch of the Atlas for Crowned Dens Syndrome

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